Forcibly reset iconv converter after every conversion.

Despite what g_convert_with_iconv's docs say, it does not reset the converter on a failed conversion (iconv returns -1).

Fixes #1758
This commit is contained in:
Arnavion 2016-06-24 12:09:35 -07:00
parent 4ed1acfd52
commit 16ba39d9fa
1 changed files with 12 additions and 1 deletions

View File

@ -742,6 +742,8 @@ text_convert_invalid (const gchar* text, gssize len, GIConv converter, const gch
/* Find the first position of an invalid sequence. */
result_part = g_convert_with_iconv (text, len, converter, &invalid_start_pos, &result_part_len, NULL);
g_iconv (converter, NULL, NULL, NULL, NULL);
if (result_part != NULL)
{
/* All text converted successfully on the first try. Return it. */
@ -763,8 +765,15 @@ text_convert_invalid (const gchar* text, gssize len, GIConv converter, const gch
{
g_assert (current_start + invalid_start_pos < end);
/* Convert everything before the position of the invalid sequence. It should be successful. */
/* Convert everything before the position of the invalid sequence. It should be successful.
* But iconv may not convert everything till invalid_start_pos since the last few bytes may be part of a shift sequence.
* So get the new bytes_read and use it as the actual invalid_start_pos to handle this.
*
* See https://github.com/hexchat/hexchat/issues/1758
*/
result_part = g_convert_with_iconv (current_start, invalid_start_pos, converter, &invalid_start_pos, &result_part_len, NULL);
g_iconv (converter, NULL, NULL, NULL, NULL);
g_assert (result_part != NULL);
g_string_append_len (result, result_part, result_part_len);
g_free (result_part);
@ -776,6 +785,8 @@ text_convert_invalid (const gchar* text, gssize len, GIConv converter, const gch
current_start += invalid_start_pos + 1;
result_part = g_convert_with_iconv (current_start, end - current_start, converter, &invalid_start_pos, &result_part_len, NULL);
g_iconv (converter, NULL, NULL, NULL, NULL);
if (result_part != NULL)
{
/* The rest of the text converted successfully. Append it and return the whole converted text. */